Nachalni Island, Kupreanof Strait Sea Conditions and Tide Table

Nachalni Island, Kupreanof Strait Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 04:25 PM.

Days 1–4 Weather Summary

A moderate fall of snow, heaviest on Fri night. Icy conditions (max 2°C on Fri night, min -8°C on Sun morning). Winds increasing (calm on Fri afternoon, fresh winds from the NNE by Fri night).

Days 5–7 Weather Summary

A moderate fall of snow, heaviest on Sun night. Air temperatures will be below freezing (max -3°C on Mon afternoon, min -12°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -5°C on Sat morning, min -16°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -4°C on Tue afternoon, min -16°C on Sun morning). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
5:18PM3.87m
6:31AM3.83m
6:14PM3.58m
7:16AM3.90m
7:24PM3.31m
8:07AM4.00m
8:52PM3.14m
9:06AM4.13m
10:26PM3.16m
10:08AM4.30m
11:46PM3.35m
11:11AM4.52m
00:50AM3.60m
12:11PM4.71m
1:44AM3.86m
1:07PM4.92m
2:32AM4.07m
1:58PM5.04m
3:16AM4.21m
2:47PM5.03m
3:59AM4.27m
3:34PM4.88m
4:41AM4.28m
Low Tide
11:55PM0.32m
12:28PM1.34m
00:38AM0.62m
1:39PM1.19m
1:31AM0.96m
3:00PM0.91m
2:38AM1.26m
4:15PM0.52m
3:54AM1.46m
5:20PM0.06m
5:07AM1.51m
6:18PM-0.34m
6:13AM1.48m
7:12PM-0.69m
7:10AM1.32m
8:03PM-0.92m
8:04AM1.15m
8:50PM-1.01m
8:54AM1.00m
9:35PM-0.95m
9:42AM0.90m
10:18PM-0.75m
10:30AM0.87m
Wave
height (m) 
direction
period (s) 
part cloud
cloud
cloud
cloud
mod snow
light snow
cloud
cloud
part cloud
light snow
light snow
light snow
light snow
cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
cloud
light snow
light snow
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
light snow
cloud
some clouds
cloudy
cloudy
cloudy
mod snow
light snow
cloudy
cloudy
some clouds
light snow
light snow
light snow
light snow
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
cloudy
light snow
light snow
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
light snow
cloudy
 km/h
5
NNW
5
NNW
5
ENE
0
NE
5
NNE
20
NNE
15
N
15
N
5
NW
25
N
15
N
10
NNW
10
NW
10
NW
15
NW
10
WNW
10
WNW
10
W
10
W
15
W
15
WNW
10
W
5
WSW
0
SE
0
E
5
ENE
5
NW
5
WNW
25
WSW
10
WSW
5
WSW
10
WNW
25
WNW
20
W
0
ENE
5
NE
 mm 
max°C
-4
-4
-3
-1
2
-1
-1
-3
-7
-6
-5
-4
-3
-3
-3
-3
-4
-10
-7
-7
-9
-10
-15
-10
-8
-7
-5
-5
-12
-15
-13
-12
-13
-13
-11
-8
Moonrise
12:35
12:37
12:41
12:47
12:56
1:15
1:53
3:04
4:44
6:30
8:11
Moonset
11:31
1:00
2:32
4:10
5:54
7:42
9:21
10:30
11:05
11:23
11:32
11:37
Sunrise
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:56
9:55
9:55
9:53
9:52
Sunset
4:25
4:27
4:28
4:29
4:30
4:30
4:31
4:34
4:35
4:37
4:37
4:39
Today's sea temperature in Nachalni Island, Kupreanof Strait is
4.8° C
(Statistics for 25 Dec 1981-2005 – mean: 5.2 max: 5.8 min: 4.7°C)
Issued (local time): 2 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest